[INFO] fetching crate picoring 0.6.0...
[INFO] checking picoring-0.6.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate picoring 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate picoring 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate picoring 0.6.0
[INFO] tweaked toml for crates.io crate picoring 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate picoring 0.6.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate picoring 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded windows v0.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d78bc2aa3ef80a8b91739f3aa46f4997299ea2643ac39ca068d731f8f67df6
[INFO] running `Command { std: "docker" "start" "-a" "94d78bc2aa3ef80a8b91739f3aa46f4997299ea2643ac39ca068d731f8f67df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d78bc2aa3ef80a8b91739f3aa46f4997299ea2643ac39ca068d731f8f67df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d78bc2aa3ef80a8b91739f3aa46f4997299ea2643ac39ca068d731f8f67df6", kill_on_drop: false }`
[INFO] [stdout] 94d78bc2aa3ef80a8b91739f3aa46f4997299ea2643ac39ca068d731f8f67df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4024d20a0fe534459eb88a0e59870012ccb199df766561a5df5cd7f01f3630f
[INFO] running `Command { std: "docker" "start" "-a" "d4024d20a0fe534459eb88a0e59870012ccb199df766561a5df5cd7f01f3630f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
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[INFO] [stderr]     Checking picoring v0.6.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `PicoRing`
[INFO] [stdout]  --> tests/mpsc_performance.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use picoring::{create_mpsc, PicoRing};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.07s
[INFO] running `Command { std: "docker" "inspect" "d4024d20a0fe534459eb88a0e59870012ccb199df766561a5df5cd7f01f3630f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4024d20a0fe534459eb88a0e59870012ccb199df766561a5df5cd7f01f3630f", kill_on_drop: false }`
[INFO] [stdout] d4024d20a0fe534459eb88a0e59870012ccb199df766561a5df5cd7f01f3630f